1 /* 2 * Copyright 2013 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Dave Airlie 23 * Alon Levy 24 */ 25 26 #include <linux/crc32.h> 27 #include <drm/drm_crtc_helper.h> 28 #include <drm/drm_plane_helper.h> 29 #include <drm/drm_atomic_helper.h> 30 #include <drm/drm_atomic.h> 31 #include <drm/drm_gem_framebuffer_helper.h> 32 33 #include "qxl_drv.h" 34 #include "qxl_object.h" 35 36 static bool qxl_head_enabled(struct qxl_head *head) 37 { 38 return head->width && head->height; 39 } 40 41 static int qxl_alloc_client_monitors_config(struct qxl_device *qdev, 42 unsigned int count) 43 { 44 if (qdev->client_monitors_config && 45 count > qdev->client_monitors_config->count) { 46 kfree(qdev->client_monitors_config); 47 qdev->client_monitors_config = NULL; 48 } 49 if (!qdev->client_monitors_config) { 50 qdev->client_monitors_config = kzalloc( 51 sizeof(struct qxl_monitors_config) + 52 sizeof(struct qxl_head) * count, GFP_KERNEL); 53 if (!qdev->client_monitors_config) 54 return -ENOMEM; 55 } 56 qdev->client_monitors_config->count = count; 57 return 0; 58 } 59 60 enum { 61 MONITORS_CONFIG_MODIFIED, 62 MONITORS_CONFIG_UNCHANGED, 63 MONITORS_CONFIG_BAD_CRC, 64 MONITORS_CONFIG_ERROR, 65 }; 66 67 static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev) 68 { 69 int i; 70 int num_monitors; 71 uint32_t crc; 72 int status = MONITORS_CONFIG_UNCHANGED; 73 74 num_monitors = qdev->rom->client_monitors_config.count; 75 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config, 76 sizeof(qdev->rom->client_monitors_config)); 77 if (crc != qdev->rom->client_monitors_config_crc) 78 return MONITORS_CONFIG_BAD_CRC; 79 if (!num_monitors) { 80 DRM_DEBUG_KMS("no client monitors configured\n"); 81 return status; 82 } 83 if (num_monitors > qdev->monitors_config->max_allowed) { 84 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n", 85 qdev->monitors_config->max_allowed, num_monitors); 86 num_monitors = qdev->monitors_config->max_allowed; 87 } else { 88 num_monitors = qdev->rom->client_monitors_config.count; 89 } 90 if (qdev->client_monitors_config 91 && (num_monitors != qdev->client_monitors_config->count)) { 92 status = MONITORS_CONFIG_MODIFIED; 93 } 94 if (qxl_alloc_client_monitors_config(qdev, num_monitors)) { 95 status = MONITORS_CONFIG_ERROR; 96 return status; 97 } 98 /* we copy max from the client but it isn't used */ 99 qdev->client_monitors_config->max_allowed = 100 qdev->monitors_config->max_allowed; 101 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) { 102 struct qxl_urect *c_rect = 103 &qdev->rom->client_monitors_config.heads[i]; 104 struct qxl_head *client_head = 105 &qdev->client_monitors_config->heads[i]; 106 if (client_head->x != c_rect->left) { 107 client_head->x = c_rect->left; 108 status = MONITORS_CONFIG_MODIFIED; 109 } 110 if (client_head->y != c_rect->top) { 111 client_head->y = c_rect->top; 112 status = MONITORS_CONFIG_MODIFIED; 113 } 114 if (client_head->width != c_rect->right - c_rect->left) { 115 client_head->width = c_rect->right - c_rect->left; 116 status = MONITORS_CONFIG_MODIFIED; 117 } 118 if (client_head->height != c_rect->bottom - c_rect->top) { 119 client_head->height = c_rect->bottom - c_rect->top; 120 status = MONITORS_CONFIG_MODIFIED; 121 } 122 if (client_head->surface_id != 0) { 123 client_head->surface_id = 0; 124 status = MONITORS_CONFIG_MODIFIED; 125 } 126 if (client_head->id != i) { 127 client_head->id = i; 128 status = MONITORS_CONFIG_MODIFIED; 129 } 130 if (client_head->flags != 0) { 131 client_head->flags = 0; 132 status = MONITORS_CONFIG_MODIFIED; 133 } 134 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height, 135 client_head->x, client_head->y); 136 } 137 138 return status; 139 } 140 141 static void qxl_update_offset_props(struct qxl_device *qdev) 142 { 143 struct drm_device *dev = &qdev->ddev; 144 struct drm_connector *connector; 145 struct qxl_output *output; 146 struct qxl_head *head; 147 148 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 149 output = drm_connector_to_qxl_output(connector); 150 151 head = &qdev->client_monitors_config->heads[output->index]; 152 153 drm_object_property_set_value(&connector->base, 154 dev->mode_config.suggested_x_property, head->x); 155 drm_object_property_set_value(&connector->base, 156 dev->mode_config.suggested_y_property, head->y); 157 } 158 } 159 160 void qxl_display_read_client_monitors_config(struct qxl_device *qdev) 161 { 162 struct drm_device *dev = &qdev->ddev; 163 int status, retries; 164 165 for (retries = 0; retries < 10; retries++) { 166 status = qxl_display_copy_rom_client_monitors_config(qdev); 167 if (status != MONITORS_CONFIG_BAD_CRC) 168 break; 169 udelay(5); 170 } 171 if (status == MONITORS_CONFIG_ERROR) { 172 DRM_DEBUG_KMS("ignoring client monitors config: error"); 173 return; 174 } 175 if (status == MONITORS_CONFIG_BAD_CRC) { 176 DRM_DEBUG_KMS("ignoring client monitors config: bad crc"); 177 return; 178 } 179 if (status == MONITORS_CONFIG_UNCHANGED) { 180 DRM_DEBUG_KMS("ignoring client monitors config: unchanged"); 181 return; 182 } 183 184 drm_modeset_lock_all(dev); 185 qxl_update_offset_props(qdev); 186 drm_modeset_unlock_all(dev); 187 if (!drm_helper_hpd_irq_event(dev)) { 188 /* notify that the monitor configuration changed, to 189 adjust at the arbitrary resolution */ 190 drm_kms_helper_hotplug_event(dev); 191 } 192 } 193 194 static int qxl_add_monitors_config_modes(struct drm_connector *connector, 195 unsigned *pwidth, 196 unsigned *pheight) 197 { 198 struct drm_device *dev = connector->dev; 199 struct qxl_device *qdev = dev->dev_private; 200 struct qxl_output *output = drm_connector_to_qxl_output(connector); 201 int h = output->index; 202 struct drm_display_mode *mode = NULL; 203 struct qxl_head *head; 204 205 if (!qdev->monitors_config) 206 return 0; 207 if (h >= qdev->monitors_config->max_allowed) 208 return 0; 209 if (!qdev->client_monitors_config) 210 return 0; 211 if (h >= qdev->client_monitors_config->count) 212 return 0; 213 214 head = &qdev->client_monitors_config->heads[h]; 215 DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height); 216 217 mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false, 218 false); 219 mode->type |= DRM_MODE_TYPE_PREFERRED; 220 mode->hdisplay = head->width; 221 mode->vdisplay = head->height; 222 drm_mode_set_name(mode); 223 *pwidth = head->width; 224 *pheight = head->height; 225 drm_mode_probed_add(connector, mode); 226 /* remember the last custom size for mode validation */ 227 qdev->monitors_config_width = mode->hdisplay; 228 qdev->monitors_config_height = mode->vdisplay; 229 return 1; 230 } 231 232 static struct mode_size { 233 int w; 234 int h; 235 } common_modes[] = { 236 { 640, 480}, 237 { 720, 480}, 238 { 800, 600}, 239 { 848, 480}, 240 {1024, 768}, 241 {1152, 768}, 242 {1280, 720}, 243 {1280, 800}, 244 {1280, 854}, 245 {1280, 960}, 246 {1280, 1024}, 247 {1440, 900}, 248 {1400, 1050}, 249 {1680, 1050}, 250 {1600, 1200}, 251 {1920, 1080}, 252 {1920, 1200} 253 }; 254 255 static int qxl_add_common_modes(struct drm_connector *connector, 256 unsigned pwidth, 257 unsigned pheight) 258 { 259 struct drm_device *dev = connector->dev; 260 struct drm_display_mode *mode = NULL; 261 int i; 262 for (i = 0; i < ARRAY_SIZE(common_modes); i++) { 263 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 264 60, false, false, false); 265 if (common_modes[i].w == pwidth && common_modes[i].h == pheight) 266 mode->type |= DRM_MODE_TYPE_PREFERRED; 267 drm_mode_probed_add(connector, mode); 268 } 269 return i - 1; 270 } 271 272 static void qxl_send_monitors_config(struct qxl_device *qdev) 273 { 274 int i; 275 276 BUG_ON(!qdev->ram_header->monitors_config); 277 278 if (qdev->monitors_config->count == 0) 279 return; 280 281 for (i = 0 ; i < qdev->monitors_config->count ; ++i) { 282 struct qxl_head *head = &qdev->monitors_config->heads[i]; 283 284 if (head->y > 8192 || head->x > 8192 || 285 head->width > 8192 || head->height > 8192) { 286 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n", 287 i, head->width, head->height, 288 head->x, head->y); 289 return; 290 } 291 } 292 qxl_io_monitors_config(qdev); 293 } 294 295 static void qxl_crtc_update_monitors_config(struct drm_crtc *crtc, 296 const char *reason) 297 { 298 struct drm_device *dev = crtc->dev; 299 struct qxl_device *qdev = dev->dev_private; 300 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 301 struct qxl_head head; 302 int oldcount, i = qcrtc->index; 303 304 if (!qdev->primary_created) { 305 DRM_DEBUG_KMS("no primary surface, skip (%s)\n", reason); 306 return; 307 } 308 309 if (!qdev->monitors_config || 310 qdev->monitors_config->max_allowed <= i) 311 return; 312 313 head.id = i; 314 head.flags = 0; 315 oldcount = qdev->monitors_config->count; 316 if (crtc->state->active) { 317 struct drm_display_mode *mode = &crtc->mode; 318 head.width = mode->hdisplay; 319 head.height = mode->vdisplay; 320 head.x = crtc->x; 321 head.y = crtc->y; 322 if (qdev->monitors_config->count < i + 1) 323 qdev->monitors_config->count = i + 1; 324 } else if (i > 0) { 325 head.width = 0; 326 head.height = 0; 327 head.x = 0; 328 head.y = 0; 329 if (qdev->monitors_config->count == i + 1) 330 qdev->monitors_config->count = i; 331 } else { 332 DRM_DEBUG_KMS("inactive head 0, skip (%s)\n", reason); 333 return; 334 } 335 336 if (head.width == qdev->monitors_config->heads[i].width && 337 head.height == qdev->monitors_config->heads[i].height && 338 head.x == qdev->monitors_config->heads[i].x && 339 head.y == qdev->monitors_config->heads[i].y && 340 oldcount == qdev->monitors_config->count) 341 return; 342 343 DRM_DEBUG_KMS("head %d, %dx%d, at +%d+%d, %s (%s)\n", 344 i, head.width, head.height, head.x, head.y, 345 crtc->state->active ? "on" : "off", reason); 346 if (oldcount != qdev->monitors_config->count) 347 DRM_DEBUG_KMS("active heads %d -> %d (%d total)\n", 348 oldcount, qdev->monitors_config->count, 349 qdev->monitors_config->max_allowed); 350 351 qdev->monitors_config->heads[i] = head; 352 qxl_send_monitors_config(qdev); 353 } 354 355 static void qxl_crtc_atomic_flush(struct drm_crtc *crtc, 356 struct drm_crtc_state *old_crtc_state) 357 { 358 struct drm_device *dev = crtc->dev; 359 struct drm_pending_vblank_event *event; 360 unsigned long flags; 361 362 if (crtc->state && crtc->state->event) { 363 event = crtc->state->event; 364 crtc->state->event = NULL; 365 366 spin_lock_irqsave(&dev->event_lock, flags); 367 drm_crtc_send_vblank_event(crtc, event); 368 spin_unlock_irqrestore(&dev->event_lock, flags); 369 } 370 371 qxl_crtc_update_monitors_config(crtc, "flush"); 372 } 373 374 static void qxl_crtc_destroy(struct drm_crtc *crtc) 375 { 376 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc); 377 378 qxl_bo_unref(&qxl_crtc->cursor_bo); 379 drm_crtc_cleanup(crtc); 380 kfree(qxl_crtc); 381 } 382 383 static const struct drm_crtc_funcs qxl_crtc_funcs = { 384 .set_config = drm_atomic_helper_set_config, 385 .destroy = qxl_crtc_destroy, 386 .page_flip = drm_atomic_helper_page_flip, 387 .reset = drm_atomic_helper_crtc_reset, 388 .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, 389 .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, 390 }; 391 392 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb, 393 struct drm_file *file_priv, 394 unsigned flags, unsigned color, 395 struct drm_clip_rect *clips, 396 unsigned num_clips) 397 { 398 /* TODO: vmwgfx where this was cribbed from had locking. Why? */ 399 struct qxl_device *qdev = fb->dev->dev_private; 400 struct drm_clip_rect norect; 401 struct qxl_bo *qobj; 402 int inc = 1; 403 404 drm_modeset_lock_all(fb->dev); 405 406 qobj = gem_to_qxl_bo(fb->obj[0]); 407 /* if we aren't primary surface ignore this */ 408 if (!qobj->is_primary) { 409 drm_modeset_unlock_all(fb->dev); 410 return 0; 411 } 412 413 if (!num_clips) { 414 num_clips = 1; 415 clips = &norect; 416 norect.x1 = norect.y1 = 0; 417 norect.x2 = fb->width; 418 norect.y2 = fb->height; 419 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 420 num_clips /= 2; 421 inc = 2; /* skip source rects */ 422 } 423 424 qxl_draw_dirty_fb(qdev, fb, qobj, flags, color, 425 clips, num_clips, inc); 426 427 drm_modeset_unlock_all(fb->dev); 428 429 return 0; 430 } 431 432 static const struct drm_framebuffer_funcs qxl_fb_funcs = { 433 .destroy = drm_gem_fb_destroy, 434 .dirty = qxl_framebuffer_surface_dirty, 435 .create_handle = drm_gem_fb_create_handle, 436 }; 437 438 static void qxl_crtc_atomic_enable(struct drm_crtc *crtc, 439 struct drm_crtc_state *old_state) 440 { 441 qxl_crtc_update_monitors_config(crtc, "enable"); 442 } 443 444 static void qxl_crtc_atomic_disable(struct drm_crtc *crtc, 445 struct drm_crtc_state *old_state) 446 { 447 qxl_crtc_update_monitors_config(crtc, "disable"); 448 } 449 450 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = { 451 .atomic_flush = qxl_crtc_atomic_flush, 452 .atomic_enable = qxl_crtc_atomic_enable, 453 .atomic_disable = qxl_crtc_atomic_disable, 454 }; 455 456 static int qxl_primary_atomic_check(struct drm_plane *plane, 457 struct drm_plane_state *state) 458 { 459 struct qxl_device *qdev = plane->dev->dev_private; 460 struct qxl_bo *bo; 461 462 if (!state->crtc || !state->fb) 463 return 0; 464 465 bo = gem_to_qxl_bo(state->fb->obj[0]); 466 467 if (bo->surf.stride * bo->surf.height > qdev->vram_size) { 468 DRM_ERROR("Mode doesn't fit in vram size (vgamem)"); 469 return -EINVAL; 470 } 471 472 return 0; 473 } 474 475 static int qxl_primary_apply_cursor(struct drm_plane *plane) 476 { 477 struct drm_device *dev = plane->dev; 478 struct qxl_device *qdev = dev->dev_private; 479 struct drm_framebuffer *fb = plane->state->fb; 480 struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc); 481 struct qxl_cursor_cmd *cmd; 482 struct qxl_release *release; 483 int ret = 0; 484 485 if (!qcrtc->cursor_bo) 486 return 0; 487 488 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 489 QXL_RELEASE_CURSOR_CMD, 490 &release, NULL); 491 if (ret) 492 return ret; 493 494 ret = qxl_release_list_add(release, qcrtc->cursor_bo); 495 if (ret) 496 goto out_free_release; 497 498 ret = qxl_release_reserve_list(release, false); 499 if (ret) 500 goto out_free_release; 501 502 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 503 cmd->type = QXL_CURSOR_SET; 504 cmd->u.set.position.x = plane->state->crtc_x + fb->hot_x; 505 cmd->u.set.position.y = plane->state->crtc_y + fb->hot_y; 506 507 cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0); 508 509 cmd->u.set.visible = 1; 510 qxl_release_unmap(qdev, release, &cmd->release_info); 511 512 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 513 qxl_release_fence_buffer_objects(release); 514 515 return ret; 516 517 out_free_release: 518 qxl_release_free(qdev, release); 519 return ret; 520 } 521 522 static void qxl_primary_atomic_update(struct drm_plane *plane, 523 struct drm_plane_state *old_state) 524 { 525 struct qxl_device *qdev = plane->dev->dev_private; 526 struct qxl_bo *bo = gem_to_qxl_bo(plane->state->fb->obj[0]); 527 struct qxl_bo *bo_old; 528 struct drm_clip_rect norect = { 529 .x1 = 0, 530 .y1 = 0, 531 .x2 = plane->state->fb->width, 532 .y2 = plane->state->fb->height 533 }; 534 int ret; 535 bool same_shadow = false; 536 537 if (old_state->fb) { 538 bo_old = gem_to_qxl_bo(old_state->fb->obj[0]); 539 } else { 540 bo_old = NULL; 541 } 542 543 if (bo == bo_old) 544 return; 545 546 if (bo_old && bo_old->shadow && bo->shadow && 547 bo_old->shadow == bo->shadow) { 548 same_shadow = true; 549 } 550 551 if (bo_old && bo_old->is_primary) { 552 if (!same_shadow) 553 qxl_io_destroy_primary(qdev); 554 bo_old->is_primary = false; 555 556 ret = qxl_primary_apply_cursor(plane); 557 if (ret) 558 DRM_ERROR( 559 "could not set cursor after creating primary"); 560 } 561 562 if (!bo->is_primary) { 563 if (!same_shadow) 564 qxl_io_create_primary(qdev, 0, bo); 565 bo->is_primary = true; 566 } 567 568 qxl_draw_dirty_fb(qdev, plane->state->fb, bo, 0, 0, &norect, 1, 1); 569 } 570 571 static void qxl_primary_atomic_disable(struct drm_plane *plane, 572 struct drm_plane_state *old_state) 573 { 574 struct qxl_device *qdev = plane->dev->dev_private; 575 576 if (old_state->fb) { 577 struct qxl_bo *bo = gem_to_qxl_bo(old_state->fb->obj[0]); 578 579 if (bo->is_primary) { 580 qxl_io_destroy_primary(qdev); 581 bo->is_primary = false; 582 } 583 } 584 } 585 586 static void qxl_cursor_atomic_update(struct drm_plane *plane, 587 struct drm_plane_state *old_state) 588 { 589 struct drm_device *dev = plane->dev; 590 struct qxl_device *qdev = dev->dev_private; 591 struct drm_framebuffer *fb = plane->state->fb; 592 struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc); 593 struct qxl_release *release; 594 struct qxl_cursor_cmd *cmd; 595 struct qxl_cursor *cursor; 596 struct drm_gem_object *obj; 597 struct qxl_bo *cursor_bo = NULL, *user_bo = NULL, *old_cursor_bo = NULL; 598 int ret; 599 void *user_ptr; 600 int size = 64*64*4; 601 602 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 603 QXL_RELEASE_CURSOR_CMD, 604 &release, NULL); 605 if (ret) 606 return; 607 608 if (fb != old_state->fb) { 609 obj = fb->obj[0]; 610 user_bo = gem_to_qxl_bo(obj); 611 612 /* pinning is done in the prepare/cleanup framevbuffer */ 613 ret = qxl_bo_kmap(user_bo, &user_ptr); 614 if (ret) 615 goto out_free_release; 616 617 ret = qxl_alloc_bo_reserved(qdev, release, 618 sizeof(struct qxl_cursor) + size, 619 &cursor_bo); 620 if (ret) 621 goto out_kunmap; 622 623 ret = qxl_release_reserve_list(release, true); 624 if (ret) 625 goto out_free_bo; 626 627 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor); 628 if (ret) 629 goto out_backoff; 630 631 cursor->header.unique = 0; 632 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA; 633 cursor->header.width = 64; 634 cursor->header.height = 64; 635 cursor->header.hot_spot_x = fb->hot_x; 636 cursor->header.hot_spot_y = fb->hot_y; 637 cursor->data_size = size; 638 cursor->chunk.next_chunk = 0; 639 cursor->chunk.prev_chunk = 0; 640 cursor->chunk.data_size = size; 641 memcpy(cursor->chunk.data, user_ptr, size); 642 qxl_bo_kunmap(cursor_bo); 643 qxl_bo_kunmap(user_bo); 644 645 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release); 646 cmd->u.set.visible = 1; 647 cmd->u.set.shape = qxl_bo_physical_address(qdev, 648 cursor_bo, 0); 649 cmd->type = QXL_CURSOR_SET; 650 651 old_cursor_bo = qcrtc->cursor_bo; 652 qcrtc->cursor_bo = cursor_bo; 653 cursor_bo = NULL; 654 } else { 655 656 ret = qxl_release_reserve_list(release, true); 657 if (ret) 658 goto out_free_release; 659 660 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release); 661 cmd->type = QXL_CURSOR_MOVE; 662 } 663 664 cmd->u.position.x = plane->state->crtc_x + fb->hot_x; 665 cmd->u.position.y = plane->state->crtc_y + fb->hot_y; 666 667 qxl_release_unmap(qdev, release, &cmd->release_info); 668 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 669 qxl_release_fence_buffer_objects(release); 670 671 if (old_cursor_bo) 672 qxl_bo_unref(&old_cursor_bo); 673 674 qxl_bo_unref(&cursor_bo); 675 676 return; 677 678 out_backoff: 679 qxl_release_backoff_reserve_list(release); 680 out_free_bo: 681 qxl_bo_unref(&cursor_bo); 682 out_kunmap: 683 qxl_bo_kunmap(user_bo); 684 out_free_release: 685 qxl_release_free(qdev, release); 686 return; 687 688 } 689 690 static void qxl_cursor_atomic_disable(struct drm_plane *plane, 691 struct drm_plane_state *old_state) 692 { 693 struct qxl_device *qdev = plane->dev->dev_private; 694 struct qxl_release *release; 695 struct qxl_cursor_cmd *cmd; 696 int ret; 697 698 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 699 QXL_RELEASE_CURSOR_CMD, 700 &release, NULL); 701 if (ret) 702 return; 703 704 ret = qxl_release_reserve_list(release, true); 705 if (ret) { 706 qxl_release_free(qdev, release); 707 return; 708 } 709 710 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 711 cmd->type = QXL_CURSOR_HIDE; 712 qxl_release_unmap(qdev, release, &cmd->release_info); 713 714 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 715 qxl_release_fence_buffer_objects(release); 716 } 717 718 static int qxl_plane_prepare_fb(struct drm_plane *plane, 719 struct drm_plane_state *new_state) 720 { 721 struct qxl_device *qdev = plane->dev->dev_private; 722 struct drm_gem_object *obj; 723 struct qxl_bo *user_bo, *old_bo = NULL; 724 int ret; 725 726 if (!new_state->fb) 727 return 0; 728 729 obj = new_state->fb->obj[0]; 730 user_bo = gem_to_qxl_bo(obj); 731 732 if (plane->type == DRM_PLANE_TYPE_PRIMARY && 733 user_bo->is_dumb && !user_bo->shadow) { 734 if (plane->state->fb) { 735 obj = plane->state->fb->obj[0]; 736 old_bo = gem_to_qxl_bo(obj); 737 } 738 if (old_bo && old_bo->shadow && 739 user_bo->gem_base.size == old_bo->gem_base.size && 740 plane->state->crtc == new_state->crtc && 741 plane->state->crtc_w == new_state->crtc_w && 742 plane->state->crtc_h == new_state->crtc_h && 743 plane->state->src_x == new_state->src_x && 744 plane->state->src_y == new_state->src_y && 745 plane->state->src_w == new_state->src_w && 746 plane->state->src_h == new_state->src_h && 747 plane->state->rotation == new_state->rotation && 748 plane->state->zpos == new_state->zpos) { 749 drm_gem_object_get(&old_bo->shadow->gem_base); 750 user_bo->shadow = old_bo->shadow; 751 } else { 752 qxl_bo_create(qdev, user_bo->gem_base.size, 753 true, true, QXL_GEM_DOMAIN_VRAM, NULL, 754 &user_bo->shadow); 755 } 756 } 757 758 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL); 759 if (ret) 760 return ret; 761 762 return 0; 763 } 764 765 static void qxl_plane_cleanup_fb(struct drm_plane *plane, 766 struct drm_plane_state *old_state) 767 { 768 struct drm_gem_object *obj; 769 struct qxl_bo *user_bo; 770 771 if (!old_state->fb) { 772 /* 773 * we never executed prepare_fb, so there's nothing to 774 * unpin. 775 */ 776 return; 777 } 778 779 obj = old_state->fb->obj[0]; 780 user_bo = gem_to_qxl_bo(obj); 781 qxl_bo_unpin(user_bo); 782 783 if (user_bo->shadow && !user_bo->is_primary) { 784 drm_gem_object_put_unlocked(&user_bo->shadow->gem_base); 785 user_bo->shadow = NULL; 786 } 787 } 788 789 static const uint32_t qxl_cursor_plane_formats[] = { 790 DRM_FORMAT_ARGB8888, 791 }; 792 793 static const struct drm_plane_helper_funcs qxl_cursor_helper_funcs = { 794 .atomic_update = qxl_cursor_atomic_update, 795 .atomic_disable = qxl_cursor_atomic_disable, 796 .prepare_fb = qxl_plane_prepare_fb, 797 .cleanup_fb = qxl_plane_cleanup_fb, 798 }; 799 800 static const struct drm_plane_funcs qxl_cursor_plane_funcs = { 801 .update_plane = drm_atomic_helper_update_plane, 802 .disable_plane = drm_atomic_helper_disable_plane, 803 .destroy = drm_primary_helper_destroy, 804 .reset = drm_atomic_helper_plane_reset, 805 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 806 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 807 }; 808 809 static const uint32_t qxl_primary_plane_formats[] = { 810 DRM_FORMAT_XRGB8888, 811 DRM_FORMAT_ARGB8888, 812 }; 813 814 static const struct drm_plane_helper_funcs primary_helper_funcs = { 815 .atomic_check = qxl_primary_atomic_check, 816 .atomic_update = qxl_primary_atomic_update, 817 .atomic_disable = qxl_primary_atomic_disable, 818 .prepare_fb = qxl_plane_prepare_fb, 819 .cleanup_fb = qxl_plane_cleanup_fb, 820 }; 821 822 static const struct drm_plane_funcs qxl_primary_plane_funcs = { 823 .update_plane = drm_atomic_helper_update_plane, 824 .disable_plane = drm_atomic_helper_disable_plane, 825 .destroy = drm_primary_helper_destroy, 826 .reset = drm_atomic_helper_plane_reset, 827 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 828 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 829 }; 830 831 static struct drm_plane *qxl_create_plane(struct qxl_device *qdev, 832 unsigned int possible_crtcs, 833 enum drm_plane_type type) 834 { 835 const struct drm_plane_helper_funcs *helper_funcs = NULL; 836 struct drm_plane *plane; 837 const struct drm_plane_funcs *funcs; 838 const uint32_t *formats; 839 int num_formats; 840 int err; 841 842 if (type == DRM_PLANE_TYPE_PRIMARY) { 843 funcs = &qxl_primary_plane_funcs; 844 formats = qxl_primary_plane_formats; 845 num_formats = ARRAY_SIZE(qxl_primary_plane_formats); 846 helper_funcs = &primary_helper_funcs; 847 } else if (type == DRM_PLANE_TYPE_CURSOR) { 848 funcs = &qxl_cursor_plane_funcs; 849 formats = qxl_cursor_plane_formats; 850 helper_funcs = &qxl_cursor_helper_funcs; 851 num_formats = ARRAY_SIZE(qxl_cursor_plane_formats); 852 } else { 853 return ERR_PTR(-EINVAL); 854 } 855 856 plane = kzalloc(sizeof(*plane), GFP_KERNEL); 857 if (!plane) 858 return ERR_PTR(-ENOMEM); 859 860 err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs, 861 funcs, formats, num_formats, 862 NULL, type, NULL); 863 if (err) 864 goto free_plane; 865 866 drm_plane_helper_add(plane, helper_funcs); 867 868 return plane; 869 870 free_plane: 871 kfree(plane); 872 return ERR_PTR(-EINVAL); 873 } 874 875 static int qdev_crtc_init(struct drm_device *dev, int crtc_id) 876 { 877 struct qxl_crtc *qxl_crtc; 878 struct drm_plane *primary, *cursor; 879 struct qxl_device *qdev = dev->dev_private; 880 int r; 881 882 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL); 883 if (!qxl_crtc) 884 return -ENOMEM; 885 886 primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY); 887 if (IS_ERR(primary)) { 888 r = -ENOMEM; 889 goto free_mem; 890 } 891 892 cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR); 893 if (IS_ERR(cursor)) { 894 r = -ENOMEM; 895 goto clean_primary; 896 } 897 898 r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor, 899 &qxl_crtc_funcs, NULL); 900 if (r) 901 goto clean_cursor; 902 903 qxl_crtc->index = crtc_id; 904 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs); 905 return 0; 906 907 clean_cursor: 908 drm_plane_cleanup(cursor); 909 kfree(cursor); 910 clean_primary: 911 drm_plane_cleanup(primary); 912 kfree(primary); 913 free_mem: 914 kfree(qxl_crtc); 915 return r; 916 } 917 918 static int qxl_conn_get_modes(struct drm_connector *connector) 919 { 920 unsigned pwidth = 1024; 921 unsigned pheight = 768; 922 int ret = 0; 923 924 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight); 925 if (ret < 0) 926 return ret; 927 ret += qxl_add_common_modes(connector, pwidth, pheight); 928 return ret; 929 } 930 931 static enum drm_mode_status qxl_conn_mode_valid(struct drm_connector *connector, 932 struct drm_display_mode *mode) 933 { 934 struct drm_device *ddev = connector->dev; 935 struct qxl_device *qdev = ddev->dev_private; 936 int i; 937 938 /* TODO: is this called for user defined modes? (xrandr --add-mode) 939 * TODO: check that the mode fits in the framebuffer */ 940 941 if(qdev->monitors_config_width == mode->hdisplay && 942 qdev->monitors_config_height == mode->vdisplay) 943 return MODE_OK; 944 945 for (i = 0; i < ARRAY_SIZE(common_modes); i++) { 946 if (common_modes[i].w == mode->hdisplay && common_modes[i].h == mode->vdisplay) 947 return MODE_OK; 948 } 949 return MODE_BAD; 950 } 951 952 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector) 953 { 954 struct qxl_output *qxl_output = 955 drm_connector_to_qxl_output(connector); 956 957 DRM_DEBUG("\n"); 958 return &qxl_output->enc; 959 } 960 961 962 static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = { 963 }; 964 965 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = { 966 .get_modes = qxl_conn_get_modes, 967 .mode_valid = qxl_conn_mode_valid, 968 .best_encoder = qxl_best_encoder, 969 }; 970 971 static enum drm_connector_status qxl_conn_detect( 972 struct drm_connector *connector, 973 bool force) 974 { 975 struct qxl_output *output = 976 drm_connector_to_qxl_output(connector); 977 struct drm_device *ddev = connector->dev; 978 struct qxl_device *qdev = ddev->dev_private; 979 bool connected = false; 980 981 /* The first monitor is always connected */ 982 if (!qdev->client_monitors_config) { 983 if (output->index == 0) 984 connected = true; 985 } else 986 connected = qdev->client_monitors_config->count > output->index && 987 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]); 988 989 DRM_DEBUG("#%d connected: %d\n", output->index, connected); 990 991 return connected ? connector_status_connected 992 : connector_status_disconnected; 993 } 994 995 static void qxl_conn_destroy(struct drm_connector *connector) 996 { 997 struct qxl_output *qxl_output = 998 drm_connector_to_qxl_output(connector); 999 1000 drm_connector_unregister(connector); 1001 drm_connector_cleanup(connector); 1002 kfree(qxl_output); 1003 } 1004 1005 static const struct drm_connector_funcs qxl_connector_funcs = { 1006 .dpms = drm_helper_connector_dpms, 1007 .detect = qxl_conn_detect, 1008 .fill_modes = drm_helper_probe_single_connector_modes, 1009 .destroy = qxl_conn_destroy, 1010 .reset = drm_atomic_helper_connector_reset, 1011 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 1012 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 1013 }; 1014 1015 static void qxl_enc_destroy(struct drm_encoder *encoder) 1016 { 1017 drm_encoder_cleanup(encoder); 1018 } 1019 1020 static const struct drm_encoder_funcs qxl_enc_funcs = { 1021 .destroy = qxl_enc_destroy, 1022 }; 1023 1024 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev) 1025 { 1026 if (qdev->hotplug_mode_update_property) 1027 return 0; 1028 1029 qdev->hotplug_mode_update_property = 1030 drm_property_create_range(&qdev->ddev, DRM_MODE_PROP_IMMUTABLE, 1031 "hotplug_mode_update", 0, 1); 1032 1033 return 0; 1034 } 1035 1036 static int qdev_output_init(struct drm_device *dev, int num_output) 1037 { 1038 struct qxl_device *qdev = dev->dev_private; 1039 struct qxl_output *qxl_output; 1040 struct drm_connector *connector; 1041 struct drm_encoder *encoder; 1042 1043 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL); 1044 if (!qxl_output) 1045 return -ENOMEM; 1046 1047 qxl_output->index = num_output; 1048 1049 connector = &qxl_output->base; 1050 encoder = &qxl_output->enc; 1051 drm_connector_init(dev, &qxl_output->base, 1052 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); 1053 1054 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs, 1055 DRM_MODE_ENCODER_VIRTUAL, NULL); 1056 1057 /* we get HPD via client monitors config */ 1058 connector->polled = DRM_CONNECTOR_POLL_HPD; 1059 encoder->possible_crtcs = 1 << num_output; 1060 drm_connector_attach_encoder(&qxl_output->base, 1061 &qxl_output->enc); 1062 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs); 1063 drm_connector_helper_add(connector, &qxl_connector_helper_funcs); 1064 1065 drm_object_attach_property(&connector->base, 1066 qdev->hotplug_mode_update_property, 0); 1067 drm_object_attach_property(&connector->base, 1068 dev->mode_config.suggested_x_property, 0); 1069 drm_object_attach_property(&connector->base, 1070 dev->mode_config.suggested_y_property, 0); 1071 return 0; 1072 } 1073 1074 static struct drm_framebuffer * 1075 qxl_user_framebuffer_create(struct drm_device *dev, 1076 struct drm_file *file_priv, 1077 const struct drm_mode_fb_cmd2 *mode_cmd) 1078 { 1079 return drm_gem_fb_create_with_funcs(dev, file_priv, mode_cmd, 1080 &qxl_fb_funcs); 1081 } 1082 1083 static const struct drm_mode_config_funcs qxl_mode_funcs = { 1084 .fb_create = qxl_user_framebuffer_create, 1085 .atomic_check = drm_atomic_helper_check, 1086 .atomic_commit = drm_atomic_helper_commit, 1087 }; 1088 1089 int qxl_create_monitors_object(struct qxl_device *qdev) 1090 { 1091 int ret; 1092 struct drm_gem_object *gobj; 1093 int max_allowed = qxl_num_crtc; 1094 int monitors_config_size = sizeof(struct qxl_monitors_config) + 1095 max_allowed * sizeof(struct qxl_head); 1096 1097 ret = qxl_gem_object_create(qdev, monitors_config_size, 0, 1098 QXL_GEM_DOMAIN_VRAM, 1099 false, false, NULL, &gobj); 1100 if (ret) { 1101 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); 1102 return -ENOMEM; 1103 } 1104 qdev->monitors_config_bo = gem_to_qxl_bo(gobj); 1105 1106 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL); 1107 if (ret) 1108 return ret; 1109 1110 qxl_bo_kmap(qdev->monitors_config_bo, NULL); 1111 1112 qdev->monitors_config = qdev->monitors_config_bo->kptr; 1113 qdev->ram_header->monitors_config = 1114 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0); 1115 1116 memset(qdev->monitors_config, 0, monitors_config_size); 1117 qdev->monitors_config->max_allowed = max_allowed; 1118 return 0; 1119 } 1120 1121 int qxl_destroy_monitors_object(struct qxl_device *qdev) 1122 { 1123 int ret; 1124 1125 qdev->monitors_config = NULL; 1126 qdev->ram_header->monitors_config = 0; 1127 1128 qxl_bo_kunmap(qdev->monitors_config_bo); 1129 ret = qxl_bo_unpin(qdev->monitors_config_bo); 1130 if (ret) 1131 return ret; 1132 1133 qxl_bo_unref(&qdev->monitors_config_bo); 1134 return 0; 1135 } 1136 1137 int qxl_modeset_init(struct qxl_device *qdev) 1138 { 1139 int i; 1140 int ret; 1141 1142 drm_mode_config_init(&qdev->ddev); 1143 1144 ret = qxl_create_monitors_object(qdev); 1145 if (ret) 1146 return ret; 1147 1148 qdev->ddev.mode_config.funcs = (void *)&qxl_mode_funcs; 1149 1150 /* modes will be validated against the framebuffer size */ 1151 qdev->ddev.mode_config.min_width = 0; 1152 qdev->ddev.mode_config.min_height = 0; 1153 qdev->ddev.mode_config.max_width = 8192; 1154 qdev->ddev.mode_config.max_height = 8192; 1155 1156 qdev->ddev.mode_config.fb_base = qdev->vram_base; 1157 1158 drm_mode_create_suggested_offset_properties(&qdev->ddev); 1159 qxl_mode_create_hotplug_mode_update_property(qdev); 1160 1161 for (i = 0 ; i < qxl_num_crtc; ++i) { 1162 qdev_crtc_init(&qdev->ddev, i); 1163 qdev_output_init(&qdev->ddev, i); 1164 } 1165 1166 qxl_display_read_client_monitors_config(qdev); 1167 1168 drm_mode_config_reset(&qdev->ddev); 1169 1170 /* primary surface must be created by this point, to allow 1171 * issuing command queue commands and having them read by 1172 * spice server. */ 1173 qxl_fbdev_init(qdev); 1174 return 0; 1175 } 1176 1177 void qxl_modeset_fini(struct qxl_device *qdev) 1178 { 1179 qxl_fbdev_fini(qdev); 1180 1181 qxl_destroy_monitors_object(qdev); 1182 drm_mode_config_cleanup(&qdev->ddev); 1183 } 1184